Here's another one:  Went to a Tax Sale where there was a "vacant" lot for sale of about 1 acre in a desirable suburban area. 

Leave the less desirable ones as a backup to contact if this prospect does not work out.

If you have no desire to actively pursue other investments where you make more than a 2.8% return, then by all means pay it off faster.TYFYS and best of luck!

Most of the ultra wealthy individuals sacrifice a lot to obtain their wealth, and I won’t make those same sacrifices.Similarly, I don’t desire to have 5% body fat because I don’t want to put in the effort required for it.I understand that ultra wealthy is subjective, but the main point stands. 

The fact that you can could create that desire to move.  

got out of flipping to new construction in our market in columbus ohio. licensed general contractor. when interest rates got high single family existing went down by 30% new builds sold at a 6% increase that year which demonstrated the desire and premium that new construction commands. never looking back. total control, rinse and repeat. we can get permits in 28 days. we can buy land cash in 21 days. we can build in 120 days to 140 days and keep moving. super scalable and easy and no risk. we build the same 2-3 Floorplans 

They had exhibited the desire to pay down debt and had cashed out the parks before us that had agreed to owner finance.

We look for good school systems, low crime and desirable neighborhoods.

If not, is there a master plan in which the municipality has indicated a desire to have your property zoned as you'd like to see it?

The lesson was exactly the opposite of what should be desired.